Robert Griffin III’s knee buckled as he tried to field a bad shotgun snap, leaving the Washington Redskins an offseason to worry about their franchise player’s health.

The last rookie quarterback standing in the NFL playoffs is Wilson — the third-round pick who teamed with Lynch yesterday to lead the Seahawks to a 24-14 victory over the Redskins.

Lynch ran for 132 yards, and Wilson completed 15 of 26 passes for 187 yards and ran eight times for 67 yards for the Seahawks, who overcame a 14-0 first-quarter hole — their biggest deficit of the season — and will visit the top-seeded Atlanta Falcons next Sunday.

“It was only two touchdowns, but it’s still a big comeback, and in this setting and the crowd, it’s a marvelous statement about the guys’ resolve,” Seattle coach Pete Carroll said. “It’s not about how you start, but how you finish.”

Seattle will be riding a six-game winning streak, having left behind any doubt that the team can hold its own outside the Pacific Northwest. The Seahawks were 3-5 on the road in the regular season and had lost eight straight road playoff games dating to 1983.

Lynch’s change-of-direction, 27-yard touchdown run — Wilson led the way with a block on safety Madieu Williams near the goal line — and a two-point conversion gave the Seahawks a 21-14 lead with 7:08 to go.

Then came the play that sealed the outcome. On the second snap of the Redskins’ next possession, Griffin’s heavily braced right knee buckled badly as he tried to field a bad shotgun snap at the Washington 12. He lay on the ground, unable to recover the ball as the Seahawks pounced on it.

Griffin was able to walk off the field, but the Redskins announced he wouldn’t return.

“If you didn’t pull him out then, you should get fired,” coach Mike Shanahan said.

Griffin was on the sideline to watch the end of the game, when fellow rookie Kirk Cousins was unable to rally the Redskins. The extent of Griffin’s injury was not immediately known.

He finished 10 of 19 for 84 yards with two touchdowns and one interception. Griffin also had five carries for 21 yards, including a laboring 9-yard run that made him look 32 years old instead of 22.

“I think I did put myself at more risk,” he said. “But every time you get on the field, you’re putting yourself on the line.”

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